Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    4.749676E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T18:07:23+0800
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    1 Object 1

    AOE ID 58453
    NORAD ID 58453
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59536
    NORAD ID 59536
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30957 STARLINK-31721
    Time of Closest Approach 2026-10-28T19:42:34+0000
    Collision Probability (Pc) 4.749676E-4
    Conjunction Distance (km) 0.228 km
    Relative Speed (km/s) 5.056 km/s
    Conjunction Risk Parameters R (Radial): -0.224 | I (In-track): 0.039 | C (Cross-track): -0.013
    Collision Risk Index (CRI) 0.89
    X Position (km) 3713.423 3713.574
    Position Y (km) 3813.15 3813.246
    Position Z (km) -4333.893 -4334.034
    Velocity X (km/s) -6.262 -4.035
    Velocity Y (km/s) 3.871 6.157
    Velocity Z (km/s) -1.96 1.961

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30957 STARLINK-31721
    Semimajor Axis (a) 6861.144 km 6861.255 km
    Eccentricity (e) 0.000112 0.000069
    Inclination (i) 42.9996° 43.0005°
    RAAN 180.2570° 117.6718°
    Perigee Argument 275.1503° 259.9280°
    Mean Anomaly (M) 84.9221° 100.1494°
    Apogee 483.775 km 483.589 km
    Perigee 482.239 km 482.647 km
    Orbit Epoch 2026-10-26T02:17:25+0000 2026-10-26T20:55:36+0000

    STARLINK-30957 & STARLINK-31721 Collision Probability (Pc) Trend

    STARLINK-30957 & STARLINK-31721 Collision Probability (Pc) TrendNot Available

    STARLINK-30957 & STARLINK-31721 Miss Distance (Miss Distance) Trend

    STARLINK-30957 & STARLINK-31721 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30957Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31721Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30957Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31721Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30957

    No nearby objects data